NC0001422_Table 6-3 GW Remedial Alternative Implementability_20160201

TABLE 6-3
GROUNDWATER REMEDIATION ALTERNATIVE SCREENING - IMPLEMENTABILITY
L.V. SUTTON ENERGY COMPLEX
DUKE ENERGY PROGRESS, LLC, WILMINGTON, NC
Alternative 1
Alternative 2
Alternative 3
Feasibility
Monitored Natural
Hydraulic
Hydraulic
Attenuation (MNA)
Containment
Containment & Source
Wells/MNA
Extraction Wells/MNA
Eastern
North/
Eastern
North/
Eastern
North/
Site Area
FADA
Down-
West
FADA
Down-
West
FADA
Down-
West
gradient
gradient
gradient
Are the material resources and manpower
readily available to fully implement the remedial
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
alternative in a timely manner?
Does the remedial alternative require highly
specialized resources and/or equipment?
No
Yes
No
No
No
No
No
No
No
Is there sufficient onsite and offsite area to fully
implement the remedy?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Will waste materials be managed efficiently?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Does the remedial alternative require any
permits and can the permits be acquired in a
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
timely manner?
Can the remedial alternative be implemented
safely?
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Can existing infrastructure support remedial
alternative?
Yes
RA
Yes
Yes
No
Yes
Yes
No
Yes
Can the remedial alternative achieve all
applicable or reasonable and appropriate
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
requirements ARARs ?
Prepared By: PBW Checked By: KW
All options assume source removal and onsite landfill
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